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Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 3- Fittings. Original standard ISO 4427-3-2019 in PDF full version. Additional info + preview on request

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Plastics piping systems for water supply, and for drainage and sewerage under pressure - Polyethylene (PE) - Part 5- Fitness for purpose of the system. Original standard ISO 4427-5-2019 in PDF full version. Additional info + preview on request

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Thermoplastics pipes - Resistance to liquid chemicals - Classification - Part 1- Immersion test method. Original standard ISO 4433-1-1997 in PDF full version. Additional info + preview on request

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Thermoplastics pipes - Resistance to liquid chemicals - Classification - Part 2- Polyolefin pipes. Original standard ISO 4433-2-1997 in PDF full version. Additional info + preview on request

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Thermoplastics pipes - Resistance to liquid chemicals - Classification - Part 3- Unplasticized poly(vinyl chloride) (PVC-U), high-impact poly (vinyl chloride) (PVC-HI) and chlorinated poly (vinyl chloride) (PVC-C) pipes. Original standard ISO 4433-3-1997 in PDF full version. Additional info + preview on request

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Thermoplastics pipes - Resistance to liquid chemicals - Classification - Part 4- Poly(vinylidene fluoride) (PVDF) pipes. Original standard ISO 4433-4-1997 in PDF full version. Additional info + preview on request

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